EFFICIENCY OF GRASSMASTER COMPARED WITH CLIPPING AND WEIGHING METHOD FOR YIELD ESTIMATION IN GRASSLANDS, SHRUBLANDS AND ALFA ALFA FIELDS

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ARZANI H.; MOVAGHARI M.; ASAARZADEH A.; CHAREHSAZ N.; ZARE CHAHOUKI M.A.; AHMADI BEIRAGANI H.

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Journal: Journal of Rangeland Year:2011 | Volume:5 | Issue:3 Page(s): 240-249

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Title

EFFICIENCY OF GRASSMASTER COMPARED WITH CLIPPING AND WEIGHING METHOD FOR YIELD ESTIMATION IN GRASSLANDS, SHRUBLANDS AND ALFA ALFA FIELDS

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Keywords

GRASS MASTERQ2

CAPACITANCE METERQ2

PRODUCTIONQ2

WEIGHTING AND CLIPPING METHODQ2

GRASSLANDQ2

ALFA-ALFA FIELDSQ2

SHRUBLANDQ3

Abstract

The amount of forage PRODUCTION is basically used to determine grazing capacity. Measuring the amount of rangeland PRODUCTION to determine the carrying capacity, is one of the most important factor. Various methods depend on vegetation type, density, percentages of canopy cover, affordable time, accuracy, experts experience, etc., have been proposed. Measuring the amount of forage PRODUCTION with clipping and weighting method is the most reliable method, but it is time consuming and expensive. So we must choose an accurate and simple method with less cost and time consumption. One of these methods is application of grassmaster that is one of the CAPACITANCE METER type. The objective of research was investigation on grassmaster efficiency comparing with clipping and weighting method in three types of GRASSLAND, ALFA-ALFA FIELDS and SHRUBLANDs in two growth stages (flowering and seed ripening). In each habitat along 2 transects, 200 plots (1m2) were used. In each plot PRODUCTION with clipping and weighting method and with grassmaster was measured. Data were analysed using SPSS version 15 software. The Results showed that grassmaster in SHRUBLAND didn’t record any data. Therefore, grassmaster is not suitable for SHRUBLANDs. In GRASSLAND and alfa-alfa field according to correlation coefficients, results were as follows: GRASSLANDs in flowering stage (97%), seed ripening stage (92%), cultivated alfa-alfa in flowering stage (61%), seed ripening stage (27%). So the best efficiency obtained for GRASSLANDs.

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APA: Copy

ARZANI, H., MOVAGHARI, M., ASAARZADEH, A., CHAREHSAZ, N., ZARE CHAHOUKI, M.A., & AHMADI BEIRAGANI, H.. (2011). EFFICIENCY OF GRASSMASTER COMPARED WITH CLIPPING AND WEIGHING METHOD FOR YIELD ESTIMATION IN GRASSLANDS, SHRUBLANDS AND ALFA ALFA FIELDS. RANGELAND, 5(3), 240-249. SID. https://sid.ir/paper/136339/en

Vancouver: Copy

ARZANI H., MOVAGHARI M., ASAARZADEH A., CHAREHSAZ N., ZARE CHAHOUKI M.A., AHMADI BEIRAGANI H.. EFFICIENCY OF GRASSMASTER COMPARED WITH CLIPPING AND WEIGHING METHOD FOR YIELD ESTIMATION IN GRASSLANDS, SHRUBLANDS AND ALFA ALFA FIELDS. RANGELAND[Internet]. 2011;5(3):240-249. Available from: https://sid.ir/paper/136339/en

IEEE: Copy

H. ARZANI, M. MOVAGHARI, A. ASAARZADEH, N. CHAREHSAZ, M.A. ZARE CHAHOUKI, and H. AHMADI BEIRAGANI, “EFFICIENCY OF GRASSMASTER COMPARED WITH CLIPPING AND WEIGHING METHOD FOR YIELD ESTIMATION IN GRASSLANDS, SHRUBLANDS AND ALFA ALFA FIELDS,” RANGELAND, vol. 5, no. 3, pp. 240–249, 2011, [Online]. Available: https://sid.ir/paper/136339/en

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